For today’s tip, I’m going to show you how to use Automator to write a very simple backup utility—you’ll be able to compress and copy a given folder with a single mouse click. While not an ideal ...
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12V battery backup circuit tutorial how to build and protect your devices
In this video I’m showing how I’ve built a very simple battery backup circuit for my home alarm system. The circuit charges a 12v lead acid battery and in an event of a power loss, it transfers the ...
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